CN102189328A - Fully automatic lithium-ion battery multi-layer tab ultrasonic welding machine - Google Patents

Abstract

The invention discloses a full-automatic lithium ion battery cell multilayer tab ultrasonic welding machine which comprises a feeding mechanical arm, a rotary table, a switching piece feeding mechanism, a discharging mechanical arm and a controller for controlling all elements to operate, wherein the rotary table is uniformly provided with a feeding unit, a switching piece and battery cell combined unit, an ultrasonic welding unit and a discharging unit on the circumference, and each unit corresponds to a rotary table clamp. Compared with the prior art, the full-automatic lithium ion battery cell multilayer lug ultrasonic welding machine realizes full-automatic one-time ultrasonic welding of the lithium ion battery cell lug and the adapter plate by combining a rotating disc type mechanical structure and an ultrasonic welding real-time monitoring technology, improves the production efficiency, ensures the consistency of products, and has quite wide application range and application prospect.

Description

Fully automatic lithium-ion battery multi-layer tab ultrasonic welding machine

technical field

The invention relates to a tab welding device, in particular to a fully automatic ultrasonic welding machine for assembling multi-layer battery tabs and adapter pieces of lithium-ion batteries.

Background technique

Large-capacity lithium-ion batteries generally include multiple cells, and the number of cells varies depending on the design. Since the high-capacity lithium-ion battery requires high output power, the internal current is relatively large when the battery is working. In order to meet the over-current capacity of the battery, each battery cell has its own tabs, and the number of tabs that come with the battery cell is also different depending on the type. The combination of multi-layer batteries makes the battery tabs in a battery have multiple layers. In the process, ultrasonic welding is generally used to weld these tabs to the positive and negative tabs of the battery.

The principle of ultrasonic metal welding is a special method of connecting the same metal or dissimilar metals by using the mechanical vibration energy of ultrasonic waves (frequency exceeding 16KHz). The high-temperature heat source only converts vibration energy into friction energy, deformation energy and limited temperature rise between workpieces under static pressure. The metallurgical bonding between joints is a solid-state welding that is realized without melting the base metal. , so it effectively overcomes the phenomenon of spatter and oxidation generated during resistance welding.

For large-capacity lithium-ion batteries, in order to ensure the over-current capability, the connection area between the tab of the battery cell and the adapter piece is required to be relatively large. However, the traditional welding method requires welding at least twice due to the selection of a welding head with a small welding footprint, resulting in low production efficiency. In addition, the existing ultrasonic welding is mostly manual operation, it is difficult to guarantee the consistency of the welding position, and the welding quality is all judged by human experience, which often leads to misjudgment and missed judgment of virtual welding. How to avoid these problems has become a difficult point in the industrial automation of lithium-ion batteries. Therefore, the welding of multi-layer tabs has become an urgent problem to be solved in the production of lithium-ion batteries.

Contents of the invention

The object of the present invention is to provide a fully automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries, so as to realize efficient and accurate welding of tabs and adapter pieces.

In order to achieve the above object, the present invention provides a fully automatic lithium-ion cell multi-layer ultrasonic welding machine, which includes a feeding manipulator, a turntable, an adapter sheet feeding mechanism, a feeding manipulator and a controller that controls the operation of all components , the turntable is evenly equipped with a feeding unit, an adapter piece and a battery cell combination unit, an ultrasonic welding unit, and a feeding unit on the circumference. Each unit corresponds to a turntable fixture. Move into the feeding unit of the turntable, the turntable and the adapter piece feeding mechanism respectively send the battery cell and the adapter piece to the adapter piece and the battery cell combination unit, and the adapter piece and the battery cell combination unit clamp the battery ear on the transfer plate In the middle of the sheet, the ultrasonic welding unit completes the welding of the battery tab and the adapter piece, and the unloading robot puts the welded battery into the unloading position.

As an improvement of the automatic lithium-ion battery multi-layer lug ultrasonic welding machine of the present invention, it also includes a battery feeding and positioning mechanism for positioning the battery to be welded. The battery feeding and positioning mechanism includes a side positioning block and a positioning clip. 1. Clip cylinder and clip limit block, side positioning block and positioning clip cooperate to position the three sides of the battery cell, clip cylinder controls the opening and closing of the positioning clip, and two clip limit blocks are set in the clamping direction of the positioning clip , its position can be adjusted according to the size of the cell, and the clip limit block determines the tightness of the cell positioning.

As an improvement of the fully automatic lithium-ion cell multi-layer lug ultrasonic welding machine of the present invention, the feeding manipulator includes an X-axis servo motor, a Y-axis servo motor, a Z-axis servo motor, and is arranged on the X-axis servo motor The rotary cylinder and the cell gripper are equipped with three servo motors, which can make the rotary cylinder and the cell gripper move accurately between the feeding unit of the turntable and the cell loading position, and the rotary cylinder controls the rotation of the cell gripper to ensure the battery The orientation of the cores matches the loading unit of the turntable.

As an improvement of the automatic lithium-ion cell multi-layer lug ultrasonic welding machine of the present invention, the adapter sheet feeding mechanism is provided with an adapter sheet feeding storage unit and a tray feeding storage unit, both of which pass through the feeding slide rail The cylinder and the unloading slide rail cylinder are connected with the suction cup slide rail cylinder, and the feeding slide rail cylinder and the unloading slide rail cylinder are respectively provided with a feeding tray holder and an unloading tray holder, and a suction cup cylinder is provided on the suction cup slide rail cylinder, The suction cup cylinder is connected with the tray suction nozzle, and one side of the suction cup slide rail cylinder is provided with a tray clamping cylinder and a servo motor for the gripping hand of the adapter, and the servo motor of the gripping hand of the adapter is connected with the gripping hand of the adapter.

As an improvement of the automatic lithium-ion cell multi-layer ultrasonic welding machine of the present invention, the combination unit of the adapter sheet and the cell includes an adapter sheet holder, a slide rail cylinder, two pairs of suction nozzle cylinders and two pairs of The suction nozzle and the slide rail cylinder are arranged on the bottom of the adapter plate, the suction nozzle cylinder is arranged on the slide rail cylinder, and the two pairs of suction nozzles are respectively connected with the two pairs of suction nozzle cylinders.

As an improvement of the automatic lithium-ion battery multi-layer ultrasonic welding machine of the present invention, the turntable fixture includes a lug clip, a protruding cylinder and a clamping cylinder, and the protruding cylinder and the clamping cylinder are connected with the lug clip , to control the movement and opening and closing of the tab clip respectively.

As an improvement of the automatic lithium-ion battery multi-layer tab ultrasonic welding machine of the present invention, the ultrasonic welding unit includes a copper ultrasonic welding unit and an aluminum ultrasonic welding unit.

As an improvement of the automatic lithium-ion battery multi-layer ultrasonic welding machine of the present invention, the ultrasonic welding unit includes a welding head, a welding seat, a pressure and displacement control unit, a vibrator and an output signal interface, and the welding head adopts a suspension The welding seat is located under the welding head, the pressure and displacement control unit is connected with the welding head, and the movement of the welding head can be controlled according to the set pressure and displacement, and the vibrator is connected with the welding head, which can drive the welding head to vibrate according to the set parameters , the output signal interface sends the ultrasonic welding parameters to the controller, and the controller automatically judges the welding quality according to the set specifications.

As an improvement of the automatic lithium-ion cell multi-layer ultrasonic welding machine of the present invention, the blanking manipulator includes a blanking servo motor, a rotating cylinder and a cell gripper, and the blanking servo motor makes the rotary cylinder and the cell The gripper moves accurately between the unloading unit and the unloading position of the turntable, and the rotating cylinder controls the rotation of the cell gripper to ensure that the cell is directed towards the discharge as required.

As an improvement of the automatic lithium-ion cell multi-layer ultrasonic welding machine of the present invention, it also includes a blanking positioning fixture for receiving the cell from the blanking manipulator, and the blanking positioning fixture includes a fixture pallet and a fixture pallet. The positioning slot on the top, the unloading manipulator places the welded battery cells in the positioning slot on the fixture pallet.

Compared with the prior art, the fully automatic lithium-ion cell multi-layer tab ultrasonic welding machine of the present invention realizes the complete welding of the lithium-ion battery cell tab and the adapter piece by combining the turntable mechanical structure and the ultrasonic welding real-time monitoring technology. Automatic one-time ultrasonic welding, while improving production efficiency, ensures product consistency, and has a wide range of applications and application prospects.

Description of drawings

The full-automatic lithium-ion battery multi-layer tab ultrasonic welding machine and its beneficial technical effects of the present invention will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

Fig. 1 is a schematic diagram of the welding process of the automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries of the present invention.

Fig. 2 is a schematic diagram of the overall structure of a fully automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries according to the present invention.

Fig. 3 is a schematic diagram of the cell feeding and positioning mechanism of the fully automatic multi-layer tab ultrasonic welding machine for lithium ion cells of the present invention.

Fig. 4 is a schematic structural view of the feeding manipulator of the fully automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries of the present invention.

Fig. 5 is a schematic diagram of an adapter piece feeding mechanism of a fully automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries according to the present invention.

Fig. 6 is a structural schematic diagram of the adapter plate and battery assembly unit and the turntable fixture of the automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries of the present invention.

Fig. 7 is a structural schematic diagram of the ultrasonic welding unit of the automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries of the present invention.

Fig. 8 is a schematic structural view of the unloading manipulator of the automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries of the present invention.

Fig. 9 is a schematic structural view of the blanking and positioning jig of the automatic multi-layer tab ultrasonic welding machine for lithium-ion batteries of the present invention.

Detailed ways

Please refer to Figure 1. The welding process of the multi-layer tabs of the lithium-ion battery is as follows: the multi-layer tabs 2 of the battery are sandwiched between the adapters 3, the welding head 1 is pressed down on the welding seat 4, and the ultrasonic generator vibrates to a certain extent. The welding of the battery tab 2 and the adapter piece 3 can be completed within a short time.

Please refer to Fig. 2, the fully automatic lithium-ion cell multi-layer ultrasonic welding machine of the present invention includes: a cell feeding positioning mechanism 6, a feeding manipulator 5, a turntable 15, an adapter sheet feeding mechanism 9, a feeding manipulator 12, The blanking positioning fixture 14 and the controller (not shown) that control the operation of all components. Among them, the turntable 15 is evenly provided with a feeding unit 11, an adapter piece and a cell combination unit 10, a copper ultrasonic welding unit 17, an aluminum ultrasonic welding unit 16 and a feeding unit 13 on the circumference, and each unit corresponds to a turntable fixture. The process of using the welding tab of the present invention is as follows: the electric core 8 is transported to the electric core feeding positioning mechanism 6 by the feeding pull belt 7, the electric core feeding positioning mechanism 6 positions the electric core 8, and then the feeding manipulator 5 moves the electric core The core 8 is picked up and put into the feeding unit 11 of the turntable 15; the turntable 15 rotates one station clockwise to send the battery 8 to the adapter piece and the battery combination unit 10, and at the same time, the adapter piece feeding mechanism 9 will also transfer The adapter sheet and the cell assembly unit 10, the adapter sheet and the cell assembly unit 10 sandwich the cell tab 2 between the adapter sheet 3; the turntable 15 rotates in turn to connect the cell 8 and the adapter sheet 3 sent to the copper ultrasonic welding unit 17 and the aluminum ultrasonic welding unit 16, so that the ultrasonic welding unit completes the ultrasonic welding of the anode adapter piece and the cathode adapter piece; finally, the turntable 15 rotates to send the welded electric core 52 (see FIG. 9 ) to In the unloading unit 13 , the unloading manipulator 12 puts the welded battery cell 52 into the unloading positioning fixture 14 to complete the entire welding process.

Please refer to FIG. 2 and FIG. 3 , the cell feeding positioning mechanism 6 of the present invention includes a side positioning block 20 , a positioning clip 21 , a clip limiting block 19 and a clip cylinder 18 . Wherein, the side positioning block 20 faces the feed pull belt 7, and after the battery cell 8 is transported to the battery feeding positioning mechanism 6 by the feed pull belt 7, its side is fixed by the side positioning block 20. The two clips of the positioning clip 21 are respectively parallel to the two sides of the feed pull belt 7 , and the clamping and opening of the positioning clip 21 are controlled by the clip cylinder 18 . In order to prevent the positioning clip 21 from being clamped too tightly and causing damage to the electric core 8, two clip limit blocks 19 are arranged on the slide bar of the positioning clip 21, and the position of the clip limit block 19 can be adjusted according to the size of the electric core 8. While ensuring that the electric core 8 is clamped and fixed, damage to the electric core 8 is avoided. When the side of the battery cell 8 after feeding is fixed by the side positioning block 20, the clamp cylinder 18 pulls the positioning clip 21 to clamp the left and right sides of the battery cell 8 to complete the positioning. The position of the clip limit block 19 determines the position of the battery cell 8. Tightness after positioning.

Referring to Fig. 2 and Fig. 4, the feeding manipulator 5 of the present invention includes an X-axis servo motor 23, a Y-axis servo motor 24, a Z-axis servo motor 22, a rotary cylinder 25 and a battery clamp arranged on the X-axis servo motor 23 hand 26. The X-axis servo motor 23 , the Y-axis servo motor 24 and the Z-axis servo motor 22 can make the rotary cylinder 25 and the cell gripper 26 move accurately between the feeding unit 11 of the turntable 15 and the cell feeding positioning mechanism 6 . When the cell 8 is positioned on the cell feeding positioning mechanism 6, the cell gripper 26 grabs the cell 8, and the rotating cylinder 25 controls the cell gripper 26 to rotate at a certain angle so that the orientation of the cell 8 is consistent with the orientation of the turntable 15. The feeding unit 11 is matched, and under the control of the three servo motors, the rotating cylinder 25 and the cell gripper 26 move to the feeding unit 11, and the cell gripper 26 is released, so that the cell 8 is put into the feeding unit 11 on. Afterwards, the turntable 15 rotates one station clockwise, and the battery cells 8 are sent to the combination unit 10 of the adapter plate and the battery cells.

Please refer to Fig. 5, the adapter sheet feeding mechanism 9 is provided with an adapter sheet feeding storage unit 27 and a pallet blanking storage unit 34, both of which pass through the feeding slide rail cylinder 28, the blanking slide rail cylinder 36 and the suction cup slide rail cylinder 38 respectively. Connected, the feeding slide rail cylinder 28 and the blanking slide rail cylinder 36 are respectively provided with a feeding tray holder 33 and a feeding tray holder 37, and the suction cup slide rail cylinder 38 is provided with a suction cup cylinder 29, and the suction cup cylinder 29 and the tray suction The mouth 30 is connected, and one side of the suction cup slide rail cylinder 38 is provided with a tray top tightening cylinder 31 and an adapter plate clamping hand servo motor 35, and the adapter plate clamping hand servo motor 35 links to each other with the adapter plate clamping hand 32. The adapter piece 3 is stored in the adapter piece feeding storage unit 27. When loading materials, the feeding tray holder 33 supports an adapter piece tray in the adapter piece feeding storage unit 27, and the feeding slide rail cylinder 28 rotates the adapter piece. The splice tray is sent to the feeding position of the adapter piece, the pallet tightening cylinder 31 will tighten the tray to prevent it from sliding, and the adapter piece gripper servo motor 35 controls the adapter piece gripper 32 to take out the adapter piece from the tray and send it into the Battery cell and adapter piece combination unit 10, after a tray of adapter pieces is delivered, the suction cup cylinder 29 pushes the tray suction nozzle 30 to the tray to suck the tray, and the suction cup slide rail cylinder 38 sucks the tray suction nozzle 30 The pallet is sent to the pallet blanking position, and the blanking slide rail cylinder 36 sends the pallet to the pallet blanking storage unit 34, and the empty pallet is pushed into the storage position by the blanking pallet holder 37.

Please refer to FIG. 2 and FIG. 6 , the combination unit 10 of the adapter sheet and the battery cell of the present invention includes an adapter sheet holder 40 , a slide rail cylinder 45 , two pairs of suction nozzle cylinders 39 and two pairs of suction nozzles 41 . The slide rail cylinder 45 is arranged on the bottom of the adapter plate holder 40 , the suction nozzle cylinder 39 is arranged on the slide rail cylinder 45 , and the two pairs of suction nozzles 41 are respectively connected with the two pairs of suction nozzle cylinders 30 . The turntable fixture includes a lug clip 42 , a protruding cylinder 44 and a clamping cylinder 43 . The protruding cylinder 44 and the clamping cylinder 43 are connected with the tab clip 42 to control the movement and opening and closing of the tab clip 42 respectively. The process of combining the adapter piece 3 with the battery cell 8 is as follows: After the adapter piece gripper 32 of the adapter piece feeding mechanism 9 puts the positive and negative electrode adapter piece 3 into the adapter piece holder 40, the suction nozzle cylinder 39 controls the two The suction nozzle 41 is vacuumed to separate the positive and negative adapter pieces 3 into two parts respectively, the slide rail cylinder 45 moves to send the sucked-off adapter piece 3 to the turntable fixture position, and the suction nozzle cylinder 39 controls the two parts again. Close the adapter piece 3 to the suction nozzle 41 so that it wraps the positive and negative tabs 2 of the battery respectively, and then extends into the cylinder 44 to send the tab clip 42 to the clamping position, and the clamping cylinder 43 controls the tab clip 42 is closed, so that the position wrapped by the adapter piece 3 and the battery tab 2 is firmly clamped, so as to facilitate the subsequent welding process.

Referring to Fig. 1, Fig. 2 and Fig. 7, the ultrasonic welding unit of the present invention (since the mechanical structures of the copper and aluminum ultrasonic welding units 17 and 16 are the same, this manual will not describe them separately) includes a welding head 1, a welding seat 4, a pressure And displacement control unit 46, vibrator 48 and output signal interface 47. The welding head 1 adopts a suspension type, and the welding seat 4 is located below the welding head 1 . The pressure and displacement control unit 46 is connected with the welding head 1 and can control the movement of the welding head 1 according to the set pressure and displacement. The vibrator 48 is connected to the rear of the welding head 1 and can drive the welding head 1 to vibrate in unit time according to the set parameters. The output signal interface 47 sends the pressure, position, amplitude and energy of each ultrasonic welding to the controller in the form of a timing diagram, so that the controller can automatically judge the welding quality according to the set specifications. In the two welding stations, the copper ultrasonic welding unit 17 and the aluminum ultrasonic welding unit 16 respectively weld the positive and negative connecting pieces 3 and the corresponding battery tabs 2 to obtain a welded battery cell 52 (see FIG. 9 ).

Please refer to FIG. 2 , FIG. 8 and FIG. 9 , the blanking manipulator 12 of the present invention includes a blanking servo motor 49 , a rotating cylinder 50 and a cell gripper 51 . The blanking servo motor 49 can make the rotary cylinder 50 and the cell gripper 51 move accurately between the blanking unit 13 of the turntable 15 and the blanking positioning fixture 14 . When the welded cell 52 is transported to the blanking unit 13, the cell gripper 51 grabs the cell, and the rotating cylinder 50 rotates at a certain angle so that the direction of the cell 52 clamped by the cell gripper 51 is aligned with the direction of the blanking unit 13. The positioning fixture 14 is matched, and under the control of the blanking servo motor 49, the rotating cylinder 50 and the cell gripper 51 move to the blanking positioning fixture 14, and the cell gripper 51 is released, so that the cell 52 is placed into the blanking positioning Fixture 14 on.

The blanking positioning fixture 14 of the present invention includes a fixture platform 54 and a positioning groove 53 opened on the fixture platform 54 . The cell gripper 51 of the unloading manipulator 12 loosens the welded cell 52 , and the cell 52 is accommodated in the positioning groove 53 on the clamping platform 54 .

It can be seen from the above description that the fully automatic lithium-ion cell multilayer ultrasonic welding machine of the present invention has a compact structure and has the following advantages: 1. Fully automatic welding is realized through the cell loading and positioning mechanism, loading and unloading manipulator and unloading positioning fixture. Battery loading and unloading; 2. The adapter piece has an independent automatic loading and unloading mechanism, without manual operation; 3. The automatic rotation of the turntable enables the battery cell to automatically realize the combination with the adapter piece and ultrasonic welding of the positive and negative electrodes in the equipment; 4. , The welding quality is automatically determined by the controller through the automatic feedback welding parameters, which avoids manual misjudgment and missed judgment. Therefore, it has broad application prospects.

According to the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also make appropriate changes and modifications to the above embodiment. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. In addition, although some specific terms are used in this specification, these terms are only for convenience of description and do not constitute any limitation to the present invention.

Claims (10)

1. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine, it is characterized in that: comprise feeding manipulator, rotating disk, the switching piece feed mechanism, the controller of all element runnings of blanking manipulator and control, rotating disk evenly is provided with feeding unit material on circumference, switching piece and electric core assembled unit, ultrasonic bonding unit and blanking unit, the corresponding rotating disk anchor clamps in each unit, feeding manipulator moves into electric core to be welded the feeding unit material of rotating disk from the material loading position, rotating disk and switching piece feed mechanism are delivered to switching piece and electric core assembled unit with electric core and switching piece respectively, switching piece and electric core assembled unit are clipped in cell polar ear in the middle of the switching piece, the welding of cell polar ear and switching piece is finished in the ultrasonic bonding unit, and the blanking manipulator will weld good electric core and put into the blanking position.

2. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: also comprise and treat the electric core material loading detent mechanism that welding electric core positions, electricity core material loading detent mechanism comprises the side locating piece, the location clip, clip cylinder and clip limited block, side locating piece and location clip cooperate three sides to electric core to position, the switching of clip cylinder control location clip, two clip limited blocks are located on the clamping direction of location clip, its position can be regulated according to the size of electric core, and the clip limited block has determined the tightness of electric core location.

3. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: described feeding manipulator comprises X-axis servomotor, Y-axis servomotor, Z axle servomotor and is arranged at rotary cylinder and electric core tong on the X-axis servomotor, three servomotors can make rotary cylinder and electric core tong accurately move between the feeding unit material of rotating disk and electric core material loading position, and rotary cylinder is controlled electric core tong rotation and guaranteed that the feeding unit material towards with rotating disk of electric core is complementary.

4. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: described switching piece feed mechanism is provided with switching piece feeding storage element and pallet blanking storage element, both link to each other with sucker slide rail cylinder with blanking slide rail cylinder by feeding slide rail cylinder respectively, be respectively arranged with material loading pallet holder hand and blanking pallet holder hand on feeding slide rail cylinder and the blanking slide rail cylinder, sucker slide rail cylinder is provided with the sucker cylinder, the sucker cylinder is connected with the pallet suction nozzle, sucker slide rail cylinder one side is provided with pallet and holds out against cylinder and switching piece tong servomotor, and switching piece tong servomotor links to each other with the switching piece tong.

5. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: described switching piece and electric core assembled unit comprise switching piece saddle, slide rail cylinder, two pairs of suction nozzle cylinders and two pairs of suction nozzles, the slide rail cylinder is arranged at the bottom of switching piece saddle, the suction nozzle cylinder is arranged on the slide rail cylinder, and two pairs of suction nozzles are connected with two pairs of suction nozzle cylinders respectively.

6. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: described rotating disk anchor clamps comprise the lug clip, put in cylinder and clamp cylinder, put in cylinder and be connected with the lug clip, control moving and opening and closing of lug clip respectively with the clamping cylinder.

7. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: described ultrasonic bonding unit comprises copper ultrasonic bonding unit and aluminium ultrasonic bonding unit.

8. according to claim 1 or 7 described full-automatic lithium-ion electric core multilayer lug ultrasonic welding machines, it is characterized in that: described ultrasonic bonding unit comprises soldering tip, the weldering seat, pressure and displacement control module, ticker and output signal interface, soldering tip adopts suspension type, the weldering seat is positioned at the below of soldering tip, pressure is connected with soldering tip with the displacement control module, can move by pressure of setting and displacement control soldering tip, ticker is connected with soldering tip, can send out by the parameter drive soldering tip of setting and shake, the output signal interface sends to controller with the parameter of ultrasonic bonding, and controller is judged welding quality automatically by the specification of setting.

9. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: described blanking machinery hand comprises blanking servomotor, revolving cylinder and electric core tong, the blanking servomotor accurately moves revolving cylinder and electric core tong between the blanking unit of rotating disk and blanking position, rotary cylinder control electric core tong rotation and guarantee electric core by required towards blanking.

10. full-automatic lithium-ion electric core multilayer lug ultrasonic welding machine according to claim 1, it is characterized in that: also comprise the blanking positioning fixture that receives electric core from the blanking manipulator, the blanking positioning fixture comprises the anchor clamps saddle and is opened in locating slot on the anchor clamps saddle, and the blanking manipulator will weld the electric core of getting well and be positioned in the locating slot on the anchor clamps saddle.

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